CVE-2026-64558
- Source
- https://cve.org/CVERecord?id=CVE-2026-64558
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-64558.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2026-64558
- Downstream
- Related
- Published
- 2026-07-29T16:31:21Z
- Modified
- 2026-08-18T03:30:54Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- s390/pkey: Check length in pkey_pckmo handler implementation
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
s390/pkey: Check length in pkey_pckmo handler implementation
Explicitly check the length of the target buffer in the pkey_pckmo implementation of the key_to_protkey() handler function. The handler function fails, if the generated output data exceeds the length of the provided target buffer.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64558.json" }- References
-
- https://git.kernel.org/stable/c/02028a24e26d85262ab9c8fc4344e1f3503007fc
- https://git.kernel.org/stable/c/1ac287e2af9a9112fe271427ef45eceb26bce8b4
- https://git.kernel.org/stable/c/433e5e70cdc1edf382d28d08a885b22e2b98b7da
- https://git.kernel.org/stable/c/614aa0491c7a190556c2345dddee0b6f5ed90989
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64558.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-64558
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced8fcc231ce3bea12b78bb94b280cdc03cff342435Fixed02028a24e26d85262ab9c8fc4344e1f3503007fcFixed433e5e70cdc1edf382d28d08a885b22e2b98b7daFixed614aa0491c7a190556c2345dddee0b6f5ed90989Fixed1ac287e2af9a9112fe271427ef45eceb26bce8b4